Organization of the Hox gene cluster in the grasshopper, Schistocerca gregaria.

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Abstract

The conserved organization of the Hox genes throughout the animal kingdom has become one of the major paradigms of evolutionary developmental biology. We have examined the organization of the Hox genes of the grasshopper, Schistocerca gregaria. We find that the grasshopper Hox cluster is over 700 kb long, and is not split into equivalents of the Antennapedia complex and the bithorax complex of Drosophila melanogaster. SgDax and probably also Sgzen, the grasshopper homologues of fushi-tarazu (ftz) and Zerknullt (zen), respectively, are also in the cluster, showing that the non-homeotic Antp-class genes, ''accessory genes,'' are an ancient feature of insect Hox clusters.

Original languageEnglish
Pages (from-to)13024-13029
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume93
Publication statusPublished - 12 Nov 1996

Keywords

  • fluorescent in situ hybridization
  • pulsed-field gel electrophoresis
  • accessory genes
  • gene linkage
  • BITHORAX COMPLEX
  • HOMEOBOX GENES
  • EXPRESSION
  • DROSOPHILA
  • LOCUST
  • PATTERN
  • HYBRIDIZATION
  • ZOOTYPE
  • DNA

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